using loop i want to print value in 2d array my code below

Already you are using array right. So in the given for loop retrieve the value and store in array.

sir i want to store value in array using loops

Hey you can use like this, int count = reader.FieldCount; while(reader.Read()) { for(int i = 0 ; i < count ; i++) { Console.WriteLine(reader.GetValue(i)); } } . Follow this article for more, https://stackoverflow.com/questions/8370927/how-do-i-loop-through-rows-with-a-data-reader-in-c